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Ed Cara – Hemp vs. Marijuana: What’s the Difference?

It’s the sort of question that stoners, hemp farmers, and scientists alike have pondered for thousands of years: Just what exactly is cannabis made out of? Now, thanks to the authors of a PLOS-One study published Wednesday, we may have a much clearer answer.

The Canadian researchers unraveled the genetic structure of 81 different marijuana and 43 hemp samples, in an attempt to test long-held assumptions about the diverse plant. They found that the differences between hemp and marijuana run far deeper than the level of tetrahydrocannabinol (THC) present in them, and that the advertised ancestry of many commercial strains of marijuana is often times misleading.

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